Calvin and 4 of his friends want to share 4 pounds of nuts equally. write an expression to show the fraction of the nuts each friend should receive.

Which expression is equivalent to 2x^2+7x+4?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution